A person, or persons that are stupider then ass, or anything that comes out of it.
Damn Dan Lewis is ass-stupid
by Guevara April 02, 2004
The dumbest and most stupid a person can get. It means they have as much brains as in someones ass which is none at all. To be stupid beyond stupid.
He's so ass stupid.
by The Fury 13 September 17, 2010

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